The mating state between a flange bore and a shaft and the position error for a flange shaft in a bore has an important influence on the assembly accuracy of precision products. In view of the fact that three-dimensional cylindricity was usually ignored in existing researches. a contact method was developed. which was based on equal vector judgment criterion and measured profile data ... https://www.ealisboa.com/flash-sale-Santa-Cruz-Surfboard-Recycled-Cotton-great-price/